Home / 949,959.20-1,424,938.80-239,989.28

Finding the Fourth Proportional to 949,959.20, 1,424,938.80 and 239,989.28

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Solution

The fourth proportional to 949,959.20, 1,424,938.80 and 239,989.28 is: 359,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,959.20 : 1,424,938.80 = 239,989.28 : x
  2. Step 2: Convert to fraction form
    949,959.20/1,424,938.80 = 239,989.28/x
  3. Step 3: Cross multiply
    949,959.20x = 1,424,938.80 × 239,989.28
  4. Step 4: Simplify right side
    949,959.20x = 341,970,036,656.06
  5. Step 5: Solve for x
    x = 341,970,036,656.06/949,959.20
  6. Step 6: Final answer
    x = 359,983.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.